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Rifles, Reloading, Optics, Equipment
Gunsmithing
bolt face pitted due to primer blowout?
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<blockquote data-quote="Pdvdh" data-source="post: 401421" data-attributes="member: 4191"><p>There ya go! After reading about the superglue, I figured you'd have a ring around the firing pin. With loosened primer pockets, you'll get these even if the loads are safe pressure loads. I try to toss brass with loosened primer pockets in the effort to dispose of them preceding this burp of gas escaping the primer pocket.</p><p></p><p>I use one of those Hart primer pocket saver tools. They'll give me another couple firings of the brass, but then I'll start to get a little leakage. </p><p></p><p>If I'm using cheap brass I'll toss the cases plenty early to error on the safe side. If I'm using more expensive brass and have a lot of time in fire-forming, neck trimming, etc., I'll try to squeeze a few extra firings out of them.</p><p></p><p>It's not good to keep on smoking that ring on the bolt face. Not the end of the world to have a case mildly burp every once in a while. But best to toss any brass that leak gasses there. Sometimes one can look around the edge of the primer with a magnifying glass and see that the brass crevice is blackened after firing. Or sometimes you'll see a little blackish discoloration on the case head or the face of the bolt. Generally means you've used the case once more than it should have been used. If I know I'm getting a relatively loose primer pocket, I'll use that brass at the range rather than in a hunting load, if I decide to use it another time. It's sort of a qualitative measure of primer seating force required to seat a primer that tells the tale of when it's time to toss the casing. But more of my rifles than not, have that ghost ring. All it takes is one primer burp. I'm such a miser, I keep trying to get another load out of my brass.</p><p></p><p>I don't see anything wrong with your bolt, other than I can tell you've been super-gluing some primers in loosened primer pockets in the effort to pinch pennies! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p><p></p><p>Some one may now come along and post that we're nuts for re-using cases to the point that we get one of these ghost rings. I say we're overly frugal. Now, that guy I knew in high school? He was nuts! Rambo... before Rambo. Best part of his story was how he described continuing to send blue smoke trails down at the signs until he couldn't open the bolt. Hard to say how many more rounds he'd have fired trying to reach that sign. Guess he got what he deserved - after all, he was going to vandalize those RR signs.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 401421, member: 4191"] There ya go! After reading about the superglue, I figured you'd have a ring around the firing pin. With loosened primer pockets, you'll get these even if the loads are safe pressure loads. I try to toss brass with loosened primer pockets in the effort to dispose of them preceding this burp of gas escaping the primer pocket. I use one of those Hart primer pocket saver tools. They'll give me another couple firings of the brass, but then I'll start to get a little leakage. If I'm using cheap brass I'll toss the cases plenty early to error on the safe side. If I'm using more expensive brass and have a lot of time in fire-forming, neck trimming, etc., I'll try to squeeze a few extra firings out of them. It's not good to keep on smoking that ring on the bolt face. Not the end of the world to have a case mildly burp every once in a while. But best to toss any brass that leak gasses there. Sometimes one can look around the edge of the primer with a magnifying glass and see that the brass crevice is blackened after firing. Or sometimes you'll see a little blackish discoloration on the case head or the face of the bolt. Generally means you've used the case once more than it should have been used. If I know I'm getting a relatively loose primer pocket, I'll use that brass at the range rather than in a hunting load, if I decide to use it another time. It's sort of a qualitative measure of primer seating force required to seat a primer that tells the tale of when it's time to toss the casing. But more of my rifles than not, have that ghost ring. All it takes is one primer burp. I'm such a miser, I keep trying to get another load out of my brass. I don't see anything wrong with your bolt, other than I can tell you've been super-gluing some primers in loosened primer pockets in the effort to pinch pennies! :D Some one may now come along and post that we're nuts for re-using cases to the point that we get one of these ghost rings. I say we're overly frugal. Now, that guy I knew in high school? He was nuts! Rambo... before Rambo. Best part of his story was how he described continuing to send blue smoke trails down at the signs until he couldn't open the bolt. Hard to say how many more rounds he'd have fired trying to reach that sign. Guess he got what he deserved - after all, he was going to vandalize those RR signs. [/QUOTE]
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bolt face pitted due to primer blowout?
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